Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
150 6th Avenue

For Sale · Listing by Corcoran Group

150 6th Avenue

Park Slope, Brooklyn

$3,995,000

Interested in this property?
Active For Sale Multi Family

$3,995,000

150 6th Avenue

Park Slope, Brooklyn

MLS® #RLS20114993

RLS at REBNY

Listing by Corcoran Group

5
Bedrooms
3.5
Baths
N/A
Sq. Ft.
1901
Year Built

Quick Summary

Bedrooms 5
Bathrooms 4 full, 1 half
Lot Size 2,200 sq ft
Year Built 1901
Ownership None
Property Taxes $12,300/yr
Neighborhood Park Slope
Floor 1 of 3

Property Highlights

  • Exposure: East,West facing
  • Character: Pre-war building (1901)

Property Details

Type Multi Family
Ownership None
Total Rooms 10
Baths 3 Full, 1 Half
Floor 1 of 3
Exposure East,West
Pets Yes, CatsOk, DogsOk
Year Built 1901
Structure Type Townhouse
Furnished Unfurnished
Basement Full
Lot Size 2,200 sq ft
Parcel # 00947-0043
Block/Lot 00947/0443

Listing History

Event Date Price Change
Listed Sep 14, 2026 $3,995,000 -
Currently Sep 15, 2026 $3,995,000 -

Description

Grand in scale and rich in original detail, 150 Sixth Avenue is a classic Park Slope townhouse offering expansive interiors, a deep rear garden, and a flexible three-family configuration. At an impressive 22 feet wide, the four-story home is currently configured with a one-bedroom, one-bath garden apartment, a grand 2.5-bedroom, 1.5-bath duplex on the parlor and third floors, and a two-bedroom, one-bath apartment on the top floor. The centerpiece of the home is the expansive duplex. Enter on the parlor floor, where soaring ceilings, oversized rooms, original moldings, decorative fireplace mantels, and beautiful hardwood floors speak to the scale and character of the house. The gracious layout provides distinct living and dining spaces with wonderful proportions and an easy flow for both everyday living and entertaining. A powder room and conveniently located kitchen complete this level. Upstairs, the bedroom floor offers 2.5 bedrooms and a full bath. Generous room sizes, high ceilings, and wonderful natural light continue throughout this level, while the home’s exceptional width gives each room an added sense of space. The garden level is configured as a one-bedroom, one-bath apartment with direct access to the large rear garden. The deep backyard, anchored by a mature flowering cherry tree, provides a wonderful extension of the living space and a peaceful retreat from the city. The top floor is currently arranged as a bright two-bedroom, one-bath apartment, providing additional rental income or flexibility for guests, extended family, or future incorporation into a larger owner’s residence. Original doors, moldings, plasterwork, marble fireplace mantels, hardwood floors remain throughout the house, providing a beautiful foundation for its next owner. A large unfinished cellar offers substantial additional storage. Located on a picturesque tree-lined block in prime Park Slope, 150 Sixth Avenue is moments from Barclays Center, Prospect Park and Grand Army Plaza, with the shops, restaurants, cafés, and neighborhood favorites of Fifth and Seventh Avenues all nearby. The Atlantic Avenue transportation hub is just a few blocks away. A special opportunity to own a substantial Park Slope townhouse with remarkable width and beautiful period detail, whether as an end-user seeking a gracious home with rental income or as an investment property with three distinct residences.

Features & Amenities

Interior Features

High Ceilings In Unit See Remarks

Building Information

Building Data View Compliance & Permits
Total Units 3
Stories 3
Structure Townhouse

Financial Details

RE Taxes $12,300/yr ($1,025/mo)

Park Slope is a well-known Brooklyn neighborhood, recognized for its tree-lined streets and preserved brownstones. Bordering the western edge of Prospect Park, the neighborhood offers convenient access to green space. The real estate market features a mix of historic townhouses, cooperatives, and modern condominiums, within walking distance of the park.

Park Slope Live Market Data

View Neighborhood

Active Listings

76

Median Asking Price

$2.00M

Median $/Sqft

$1,389

Avg Days on Market

N/A

New This Week

22

Price Reduced

14%

Sold (30 Days)

43

Median Sale Price

$1.70M

Live data from RLS at REBNY • Updated 9/14/26, 10:02 PM EST

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Location

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150 6th Avenue, Park Slope, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1875
Year Built
151 years old
3
Floors
3
Residential Units
R6B
Zoning District
Walk-Up Apartments Historic District: Park Slope Historic District

Tax & Assessment

Assessed Value: $291,720
Land Value: $35,340
Exemptions: $0

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 2,200 SF
Building Area: 4,480 SF
Built FAR: 2.04
Allowed FAR: 2

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed common charges are $0 per month. Confirm the exact amount with Milton Coste before making an offer.

The current listed annual property tax is $12,300, or roughly $1,025 per month. Verify the current assessment with your attorney before closing.

This property has 5 bedrooms and 3 full bathrooms and 1 half bathroom.

According to MLS records, the building was constructed in 1901, making it approximately 125 years old.

This listing is None

Pets are permitted at this property. Contact Milton Coste for weight limits or breed restrictions.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS20114993
First Listed: 9/14/2026
On Market: 9/14/2026
Price Changed: 9/14/2026
Contract Date: 8/17/2026

Listing Courtesy of Corcoran Group - Jacqueline Torren

Listing Contact: (917) 287-4249

Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.

Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 9/15/2026 at 2:02 AM UTC

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Park Slope Market Update

43 sales last 30 days · $2.00M median · 1.8 months supply

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Quick Facts

Status Active Type Multi Family Neighborhood Park Slope Borough Brooklyn
County Kings
Floor 1 of 3
Year Built 1901
First Listed 9/14/2026
Annual Tax $12,300

Monthly Costs Estimate

Down Payment 20%

$799,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Est. Taxes $1,025
Total Monthly $0

Estimates only. Consult a lender for exact figures.

Mansion tax applies at this price point

New York State charges the buyer a mansion tax on residential purchases at $1,000,000 or more. At this asking price the tier is $3M to $4,999,999 at 1.50%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.

Estimated mansion tax at asking

$59,925

Run the numbers on a different offer price

Estimate based on the asking price. Confirm your own obligation with your real estate attorney.

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